"Originally it must have been more identical with lime because of the many fossils. Anything of the lime shells in life, all are casts. Then somehow in the great anticlines is a water gone and it is this circulating water that has taken out all the lime. The sand that is now present in places was probably brought in by the circulating waters. In the morning again visiting the great limestone quarry of Martinsburg, they have a depth of two miles. The material is largely used for road metal and flux for steel smelting. Some is burnt for lime, coal is used. In all the quarries the material is the light blue (or rather white) limestone. I even found in heavy beds beneath the then bedded uneven grained limestone. It has fossils but none could be made out. I was greatly surprised to find in or near a limestone a large serpent decidedly seen coiled. These are the higher layers, these or much less crude as seen in Lundy are lower in the section. These light-blue limestones often exposed in the